good morning. >> reporter: good morning. well this is the obama campaign's way of turning lemons into lemonade. out on the campaign trail in a new campaign trail they argued romney had a great performance but only because he was untethered from the truth. a different president obama emerged on thursday, more aggressive and combative and ready to respond to his republican opponent. >> governor romney may dance around his position, he may do a tap dance and a two step, but if you want to be president then you owe the american people the truth. >> reporter: it was a new line of attack the president used all day before 30,000 supporters in wisconsin and earlier in denver, about mitt romney being less than truthful with the american people. >> the real mitt romney has been running around the country for the last year promising about a trillion dollars in tax cuts to favor the wealthy, but the fella on stage last night said he didn't know anything about that. >> reporter: the president was trying to land some of the punches he mis